There are two likely scenarios for what you meant. Below is a report covering both possibilities. (The earliest public version) If you meant the earliest widely available free version (often misremembered as "0.2" by analogy with other alpha games), here is the report on KSP 0.7.3 (June 24, 2011). Report: Kerbal Space Program 0.7.3 – "The Original Alpha" Executive Summary This was the first public release (free download) of KSP. It contained only the most basic elements of rocketry. No Mun, no Minmus, no patched conics, no maneuver nodes, and no persistence.

If you are writing a historical report about the original KSP's development, please check your version number against the official changelog (versions jumped from 0.1.5 directly to 0.7.3 after a naming reset). If you are writing a player report on the sequel, version 0.2.2 is now available as of 2024/2025 with further bug fixes.

The game's early access numbering jumped from versions like 0.7.3, 0.8.x, 0.9.x, 0.11, and so on, before reaching 0.17, 0.18, 0.19... up to 0.90 ("Beta Than Ever") and then 1.0.

Here is the report on (released December 20, 2023 – known as the "For Science!" update). Report: KSP2 Version 0.2 – "For Science!" Update Executive Summary Version 0.2 was the first major content update for KSP2 after a troubled launch. Its headline feature was the long-awaited Science Mode , moving the game beyond pure sandbox. This report covers the state of the game as of the 0.2 branch.